The banker's gain of a certain sum due 2 years hence at 10% per annum is Rs. 24. What is the present worth?
Correct Answer : A
What is the difference between the banker's discount and the true discount on Rs.8100 for 3 months at 5%
A trader has 1600Kg of sugar. He sells a part at 8% profit and the rest at 12% profit. If he gains 11% on the whole , find the quantity sold at 12%.
In 1 kg mixture of iron and manganese 20% of manganese. How much iron should be added so that the proportion of manganese becomes 10%